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ABI #14

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gnzlbg opened this issue Oct 31, 2019 · 0 comments

gnzlbg commented Oct 31, 2019

One can't be generic over extern "ABI":

extern "C" fn foo() {}
extern "Rust" fn bar() {}

fn baz<T: ??? Fn()>(t: T) { }
baz(foo);
baz(bar);

This is similar to being generic over #[target_feature] (target-features are part of the ABI, or at least affect it).

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